2025/2026 dashboard
Australia's Battery Tipping Point
The data behind Australia's home battery boom. 183,245 batteries sold in H2 2025, more than all previous years combined, with only ~2% of 4 million+ solar homes having batteries so far.
- Batteries sold H2 2025
- 183,245
- Year-on-year growth
- 61%
- Of solar homes have batteries
- ~2%
- Largest utility battery market
- 3rd
Home Battery Installations: 2019 to 2025
Annual home battery installations across Australia. The 2025 figure represents H2 alone.
Sources: Clean Energy Council, SunWiz Australian Battery Market Report
Battery vs Solar Installations (Quarterly)
Battery installations overtook new rooftop solar PV installs for the first time in Q2 2025, a structural shift in the market.
Sources: Clean Energy Regulator, SunWiz quarterly reports
State Breakdown: STC Registrations
Live STC registration data from the REC Registry, showing solar installation volume by state. Last updated: 2026-10-12.
Battery Penetration by State
Battery estimates from CEC/SunWiz. STC data live from REC Registry.
Policy Timeline: What Drove the Tipping Point
Feed-in tariff reductions and government incentives have been the primary catalysts for battery adoption, not just falling battery prices.
- 2020
SA feed-in tariff drops below 10c/kWh
SA becomes first state where batteries make economic sense for most households
- 2021
VIC Solar Homes battery rebate launches
Victoria sees 40% spike in battery installations within 12 months
- 2022
QLD feed-in tariff cuts to 5c/kWh
Queensland battery installs double year-on-year
- 2023
NSW introduces Peak Demand Reduction Scheme
VPP programs accelerate, creating ongoing revenue for battery owners
- 2024
Federal Cheaper Home Batteries program announced
Roughly 30% off installed cost, making batteries viable for average households
- 2025
Battery sales overtake rooftop solar PV (Q2)
Tipping point reached: batteries become the default add-on for solar homes
The Untapped Market
About 2% of Australian solar homes have a battery, so most of the market is still ahead.
- Solar homes in Australia
- 4M+
- Have a battery installed
- ~80,000
- Current penetration rate
- ~2%
Sources and Methodology
- Clean Energy Council (CEC): Annual battery installation counts, market share data
- SunWiz: Australian Battery Market Report, quarterly installation tracking
- Clean Energy Regulator (CER): STC registration data via the REC Registry
- REC Registry: Live state-level STC data fetched from the public register API
Battery penetration estimates combine CEC installation records with ABS housing data. State STC figures reflect all registered small-scale solar installations and are updated as new data becomes available.